java - Send email when JButton is clicked? -

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someone please please thorough , me this, i've been @ forever now. i'm new programming , i've never set server or before. error trying run program. "java.net.connectexception: connection refused: connect" , "javax.mail.messagingexception: not connect smtp host: localhost, port: 25;"

here's code:

private void jbutton1actionperformed(java.awt.event.actionevent evt) { if (jbutton1.isenabled()); properties sessionproperties = system.getproperties(); string = "bleh@gmail.com";     string = "bleh@gmail.com";      string host = "localhost";      properties properties = system.getproperties();     properties.setproperty("mail.smtp.host", host);     session session = session.getdefaultinstance(properties);      try{      // create default mimemessage object.      mimemessage message = new mimemessage(session);       // set from: header field of header.      message.setfrom(new internetaddress(from));       // set to: header field of header.      message.addrecipient(message.recipienttype.to,                               new internetaddress(to));       // set subject: header field      message.setsubject("infomation");       // set actual message      message.settext("hello!");       // send message      transport.send(message);      }catch (messagingexception mex) {      mex.printstacktrace();

it looks code came http://www.tutorialspoint.com/java/java_sending_email.htm if so, i'd direct sentence in tut

here assumed localhost connected internet , capable enough send email.

by capable, means have smtp server running on localhost; reason why got exception because transport attempted use smtp server on localhost:25 send mail.

your options either run smtp server locally (a real pain) or use third-party smtp (gmail, amazon ses, etc.) service send mail.


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